Nitrous oxide, which is also known as laughing gas, is a helpful sedative that helps your child feel calm and at ease during their treatment. When they inhale through the nose, they will start to feel a little light headed and tingly. This will help them have a positive experience at Children's Dental Care & Orthodontics with Dr. Carla LaLande. For more information about nitrous oxide in Las Vegas, Nevada, please call our office at 702-254-8858.